guix/tests/hash.scm

129 lines
4.3 KiB
Scheme
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2013, 2014, 2017, 2018 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
(define-module (test-hash)
#:use-module (guix hash)
#:use-module (guix base16)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-11)
#:use-module (srfi srfi-64)
#:use-module (rnrs bytevectors)
#:use-module (rnrs io ports))
;; Test the (guix hash) module.
(define %empty-sha256
;; SHA256 hash of the empty string.
(base16-string->bytevector
"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"))
(define %hello-sha256
;; SHA256 hash of "hello world"
(base16-string->bytevector
"b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9"))
(test-begin "hash")
(test-equal "sha1, empty"
(base16-string->bytevector "da39a3ee5e6b4b0d3255bfef95601890afd80709")
(sha1 #vu8()))
(test-equal "sha1, hello"
(base16-string->bytevector "2aae6c35c94fcfb415dbe95f408b9ce91ee846ed")
(sha1 (string->utf8 "hello world")))
(test-equal "sha256, empty"
%empty-sha256
(sha256 #vu8()))
(test-equal "sha256, hello"
%hello-sha256
(sha256 (string->utf8 "hello world")))
(test-equal "open-sha256-port, empty"
%empty-sha256
(let-values (((port get)
(open-sha256-port)))
(close-port port)
(get)))
(test-equal "open-sha256-port, hello"
(list %hello-sha256 (string-length "hello world"))
(let-values (((port get)
(open-sha256-port)))
(put-bytevector port (string->utf8 "hello world"))
(force-output port)
(list (get) (port-position port))))
(test-assert "port-sha256"
(let* ((file (search-path %load-path "ice-9/psyntax.scm"))
(size (stat:size (stat file)))
(contents (call-with-input-file file get-bytevector-all)))
(equal? (sha256 contents)
(call-with-input-file file port-sha256))))
(test-equal "open-sha256-input-port, empty"
`("" ,%empty-sha256)
(let-values (((port get)
(open-sha256-input-port (open-string-input-port ""))))
(let ((str (get-string-all port)))
(list str (get)))))
(test-equal "open-sha256-input-port, hello"
`("hello world" ,%hello-sha256)
(let-values (((port get)
(open-sha256-input-port
(open-bytevector-input-port
(string->utf8 "hello world")))))
(let ((str (get-string-all port)))
(list str (get)))))
(test-equal "open-sha256-input-port, hello, one two"
(list (string->utf8 "hel") (string->utf8 "lo")
(base16-string->bytevector ; echo -n hello | sha256sum
"2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824")
" world")
(let-values (((port get)
(open-sha256-input-port
(open-bytevector-input-port (string->utf8 "hello world")))))
(let* ((one (get-bytevector-n port 3))
(two (get-bytevector-n port 2))
(hash (get))
(three (get-string-all port)))
(list one two hash three))))
(test-equal "open-sha256-input-port, hello, read from wrapped port"
(list (string->utf8 "hello")
(base16-string->bytevector ; echo -n hello | sha256sum
"2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824")
" world")
(let*-values (((wrapped)
(open-bytevector-input-port (string->utf8 "hello world")))
((port get)
(open-sha256-input-port wrapped)))
(let* ((hello (get-bytevector-n port 5))
(hash (get))
;; Now read from WRAPPED to make sure its current position is
;; correct.
(world (get-string-all wrapped)))
(list hello hash world))))
(test-end)